Tractor brake electric forced brake release device and use method

Abstract

The traction machine brake electric forced brake release device comprises a frame, a pressure sensor, a driving part, a rotating sleeve head and a ball, the rotating sleeve head is arranged in the frame, the rotating sleeve head can rotate and move along the axis of the rotating sleeve head, the rotating sleeve head is connected with a brake release bolt, the ball is arranged on one side of the rotating sleeve head, and the pressure sensor is arranged on the other side of the rotating sleeve head. A guide groove is formed in the frame, the bottom wall of the guide groove is obliquely arranged, a driving piece is arranged on the frame and connected with the other side of the rotating sleeve head, and a pressure sensor is arranged between the rotating sleeve head and the brake release bolt. Through the arrangement of the frame, the pressure sensor, the driving piece, the rotating sleeve head and the ball, manual force application is not needed, the requirement for the brake releasing operation space is effectively reduced, the coping working condition environment is added, on the premise that the brake releasing function is effectively achieved, data collection of relevant parameters in the brake releasing process is achieved, and the brake releasing efficiency is improved. The state of the brake can be known more deeply, and the possibility of related accidents caused by the problems of the brake is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of traction machines, and in particular to an electric forced release device for a traction machine brake and a use method thereof. Background Art

[0002] In an elevator traction machine, the brake is a very important component. In addition to the elevator's own brake release control, depending on the specific work, testing or maintenance of the traction machine, it may involve the use of tools to force the brake to release in order to meet specific requirements. Especially when the elevator fails and the traction machine's own brake release function fails, the car needs to be moved to a specified position or other related requirements. The role and significance of the brake release tool are very important.

[0003] Currently, the forced brake release devices are mainly mechanical, most of which are large in size and have certain requirements for operating space. At the same time, due to the lack of relevant signal collection devices, they lack data collection functions. Summary of the invention

[0004] The object of the present invention is to provide an electric forced release device for a traction machine brake and a method of use, so as to solve the above-mentioned technical problems.

[0005] The technical solution adopted by the present invention is as follows:

[0006] A traction machine brake electric forced release device comprises a frame, a pressure sensor, a driving member, a rotating sleeve and a ball. The rotating sleeve is arranged in the frame, the rotating sleeve can rotate and move along its own axis, the rotating sleeve is connected to the release bolt, one side of the rotating sleeve is provided with the ball, a guide groove is arranged in the frame, the bottom wall of the guide groove is inclined, the driving member is arranged on the frame, the driving member is connected to the other side of the rotating sleeve, and the pressure sensor is arranged between the rotating sleeve and the release bolt.

[0007] Preferably, the frame comprises a bottom frame and an upper frame, the bottom frame is connected to the upper frame, and the guide groove is provided on a side of the bottom frame close to the upper frame.

[0008] Preferably, the guide groove is arranged along the axial direction of the rotating sleeve, and the guide groove is arranged in an annular shape.

[0009] As a further preference, the depth of the guide groove gradually increases or decreases from one end to the other end.

[0010] Preferably, one end of the brake release bolt extends into the rotating sleeve, and the pressure sensor is arranged between the one end of the brake release bolt and the inner wall of the rotating sleeve.

[0011] As a further preference, it further includes an end cover, the driving member is arranged on one side of the upper frame, the end cover is also arranged on one side of the upper frame, and the driving member is located on the inner side of the end cover.

[0012] A method for using an electric forced release device for a traction machine brake, comprising the electric forced release device for a traction machine brake, the method for using comprising:

[0013] S1, pre-set the brake release stroke threshold and brake release force threshold;

[0014] S2, driving the rotating sleeve to rotate through the driving member, and pulling the brake release bolt to move axially through the rotating sleeve;

[0015] S3, then detecting the actual brake release stroke value and the actual brake release force value of the brake release bolt;

[0016] S4. Then, the state of the traction machine brake is determined according to the brake release stroke threshold, the brake release force threshold, the actual brake release stroke value, and the actual brake release force value.

[0017] As a further preference, when the actual brake release stroke value is equal to the brake release stroke threshold value, and the actual brake release force value is equal to the brake release force threshold value, the traction machine brake is normal.

[0018] The above technical solution has the following advantages or beneficial effects:

[0019] In the present invention, by arranging the frame, the pressure sensor, the driving part, the rotating sleeve and the ball, no manual force is required and the requirement for the brake release operation space is effectively reduced, which greatly increases the coping working environment. On the premise of effectively realizing the brake release function, the data collection of the parameters related to the brake release process is realized, and a deeper understanding of the brake status is obtained, which greatly reduces the possibility of related accidents caused by brake problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the electric forced release device of the traction machine brake in the present invention;

[0021] Figure 2 is a cross-sectional view of the electric forced release device of the traction machine brake in the present invention;

[0022] Figure 3 This is a diagram showing the use status of the electric forced release device of the traction machine brake in the present invention;

[0023] Figure 4 It is a cross-sectional view of the traction machine brake in the present invention.

[0024] In the figure: 1. frame; 2. pressure sensor; 3. driving part; 4. rotating sleeve; 5. brake release bolt; 6. bottom frame; 7. upper frame; 8. end cover. DETAILED DESCRIPTION

[0025] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, if the terms "first", "second", "third" appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Figure 1 It is a structural schematic diagram of the electric forced release device of the traction machine brake in the present invention; Figure 2 is a cross-sectional view of the electric forced release device of the traction machine brake in the present invention; Figure 3 This is a diagram showing the use status of the electric forced release device of the traction machine brake in the present invention; Figure 4 is a cross-sectional view of the traction machine brake in the present invention, see Figures 1 to 4As shown, a preferred embodiment is shown, which shows an electric forced release device for a traction machine brake, including a frame 1, a pressure sensor 2, a driving member 3, a rotating sleeve 4 and a ball. The rotating sleeve 4 is arranged in the frame 1, and the rotating sleeve 4 can rotate and move along its own axis. The rotating sleeve 4 is connected to the release bolt 5. A ball is arranged on one side of the rotating sleeve 4. A guide groove is arranged in the frame 1, and the bottom wall of the guide groove is inclined. The driving member 3 is arranged on the frame 1, and the driving member 3 is connected to the other side of the rotating sleeve 4. A pressure sensor 2 is arranged between the rotating sleeve 4 and the release bolt 5. In this embodiment, see Figure 2 and Figure 3 As shown, the rotating sleeve 4 is movably arranged in the frame 1, and the rotating sleeve 4 can move during the rotation process, thereby pulling the brake release bolt 5, so that the brake release bolt 5 is released to achieve specific requirements. Through the setting of the guide groove and the ball bearing, the rotating sleeve 4 can move axially during the rotation process, thereby pulling the brake release bolt 5. The driving member 3 is a motor, which is used to control the rotation of the rotating sleeve 4.

[0029] The pressure sensor 2 is arranged between the rotating sleeve 4 and the brake release bolt 5. When the rotating sleeve 4 pulls the brake release bolt 5 to rotate, the pressure sensor 2 can be squeezed. The pressure sensor 2 can detect the actual brake release force value.

[0030] Further, as a preferred embodiment, the frame 1 includes a bottom frame 6 and an upper frame 7, the bottom frame 6 is connected to the upper frame 7, and a guide groove is provided on one side of the bottom frame 6 close to the upper frame 7. The upper frame 7 is connected and fixed to the bottom frame 6 to form a complete frame 1, and the brake release bolt 5 is arranged between the upper frame 7 and the bottom frame 6, and can rotate and move between the upper frame 7 and the bottom frame 6.

[0031] Further, as a preferred embodiment, the guide groove is arranged in an annular shape along the axial direction of the rotating sleeve 4. The depth of the guide groove gradually increases or decreases from one end to the other end, so that when the ball moves in the guide groove, it can drive the rotating sleeve 4 to move axially.

[0032] Further, as a preferred embodiment, one end of the brake release bolt 5 extends into the rotating sleeve 4, and the pressure sensor 2 is arranged between the one end of the brake release bolt 5 and the inner wall of the rotating sleeve 4. The specific arrangement position of the pressure sensor 2 can be seen in Figure 2 As shown, when the rotating sleeve 4 rotates, it can also move along its own axial direction, thereby squeezing the pressure sensor 2 and collecting the actual brake release stroke value and the actual brake release force value.

[0033] Further, as a preferred embodiment, an end cover 8 is further included, the driving member 3 is arranged on one side of the upper frame 7, and an end cover 8 is further provided on one side of the upper frame 7, and the driving member 3 is located on the inner side of the end cover 8. The end cover 8 is provided to protect the driving member 3. In this embodiment, a controller may also be provided to connect with the pressure sensor 2 and the driving member 3 to facilitate input of control instructions, and the controller may be a PLC controller, which is not limited here because it is a prior art.

[0034] The above description is only a preferred embodiment of the present invention, and does not limit the protection scope and implementation methods of the present invention. Based on the above embodiment, the present invention also has the following preferred usage methods:

[0035] A method for using an electric forced release device for a traction machine brake, comprising the electric forced release device for a traction machine brake, and the method for using comprises:

[0036] S1, pre-set the brake release stroke threshold and brake release force threshold;

[0037] S2, driving the rotating sleeve 4 to rotate through the driving member 3, and pulling the brake release bolt 5 to move axially through the rotating sleeve 4;

[0038] S3, then detecting the actual brake release stroke value and the actual brake release force value of the brake release bolt 5;

[0039] S4. Then, the state of the traction machine brake is determined according to the brake release stroke threshold, the brake release force threshold, the actual brake release stroke value, and the actual brake release force value.

[0040] Further, as a preferred embodiment, when the actual brake release stroke value is equal to the brake release stroke threshold value, and the actual brake release force value is equal to the brake release force threshold value, the traction machine brake is normal. When the actual brake release stroke value is not equal to the brake release stroke threshold value, and the actual brake release force value is equal to the brake release force threshold value, the traction machine brake is abnormal, and there is a possibility of spring aging. When the actual brake release stroke value is equal to the brake release stroke threshold value, and the actual brake release force value is not equal to the brake release force threshold value, the traction machine brake is abnormal, and there is a possibility of foreign matter in the action gap.

[0041] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric forced release device for a traction machine brake, characterized in that: It includes a frame, a pressure sensor, a driving member, a rotating sleeve and a ball. The rotating sleeve is arranged in the frame. The rotating sleeve can rotate and move along its own axis. The rotating sleeve is connected to the brake release bolt. The ball is arranged on one side of the rotating sleeve. A guide groove is arranged in the frame. The bottom wall of the guide groove is inclined. The driving member is arranged on the frame. The driving member is connected to the other side of the rotating sleeve. The pressure sensor is arranged between the rotating sleeve and the brake release bolt.

2. The electric forced release device for traction machine brake according to claim 1, characterized in that: The frame comprises a bottom frame and an upper frame, wherein the bottom frame is connected to the upper frame, and the guide groove is provided on a side of the bottom frame close to the upper frame.

3. The electric forced release device for traction machine brake according to claim 1, characterized in that: The guide groove is arranged along the axial direction of the rotating sleeve, and the guide groove is arranged in an annular shape.

4. The electric forced release device for traction machine brake according to claim 3, characterized in that: The depth of the guide groove gradually increases or decreases from one end to the other end.

5. The electric forced release device for traction machine brake according to claim 1, characterized in that: One end of the brake release bolt extends into the rotating sleeve, and the pressure sensor is arranged between the one end of the brake release bolt and the inner wall of the rotating sleeve.

6. The electric forced release device for traction machine brake according to claim 2, characterized in that: It also includes an end cover, the driving member is arranged on one side of the upper frame, the end cover is also arranged on one side of the upper frame, and the driving member is located on the inner side of the end cover.

7. A method for using an electric forced release device for a traction machine brake, characterized in that: The electric forced release device for a traction machine brake comprises the device according to any one of claims 1 to 6, wherein the method of using the device comprises: S1, pre-set the brake release stroke threshold and brake release force threshold; S2, driving the rotating sleeve to rotate through the driving member, and pulling the brake release bolt to move axially through the rotating sleeve; S3, then detecting the actual brake release stroke value and the actual brake release force value of the brake release bolt; S4. Then, the state of the traction machine brake is determined according to the brake release stroke threshold, the brake release force threshold, the actual brake release stroke value, and the actual brake release force value.

8. The method for using the electric forced release device of a traction machine brake according to claim 7, characterized in that: When the actual brake release stroke value is equal to the brake release stroke threshold, and the actual brake release force value is equal to the brake release force threshold, the traction machine brake is normal.

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